Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleProf. D. S. Belyankin.AuthorsTOMKEIEFF, S. I.PublicationNature, 1954, Vol 173, Issue 4402, p472ISSN0028-0836Publication typeArticleDOI10.1038/173472a0